1、
insert color select color1,color1,color1 from color where color1 not in (select color2 from color)
2、
insert color select color1,color2,color2 from color where color2 not in (select color3 from color)
insert color select color1,color1,color1 from color where color1 not in (select color2 from color)
2、
insert color select color1,color2,color2 from color where color2 not in (select color3 from color)
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货